INCH-POUND MIL-STD-167-1A 2 November 2005 SUPERSEDING MIL-STD-167-1(SHIPS) 1 May 1974 DEPARTMENT OF DEFENSE TEST METHOD STANDARD MECHANICAL VIBRATIONS OF SHIPBOARD EQUIPMENT (TYPE I – ENVIRONMENTAL AND TYPE II – INTERNALLY EXCITED) AMSC 7651 AREA ENVR DISTRIBUTION STATEMENT A. Approv ed for pu blic release; distribu tion is u nlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS--`,,```,,,,````-`-`,,`,,`,`,,`---MIL-STD-167-1A FOREWORD 1. This standard is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 2. This standard establishes requirements and acceptance criteria for: a. Environmental vibration testing of shipboard equipment. b. Balancing shipboard rotating equipment subjected to internally induced vibration during operation. 3. Shipboard equipment that conforms to the requirements of MIL-STD-167-1A is found to satisfactorily perform its functions aboard ship. Equipment for which compliance with MIL-STD-167-1A is not specified or is waived could experience failures induced by vibration in shipboard service. 4. MIL-STD-167-1A, environmental vibration testing, and MIL-S-901D, equipment shock testing, provide complementary requirements for the survivability of shipboard equipment. 5. This specification was revised to address the following: a. Requirements for test instrumentation and testing machines. b. Guidance in the selection of response prominences for endurance testing. c. Revisions to requirements for applicable frequency ranges. d. Revisions to attachment methods for equipment. e. Updated for conformance with MIL-STD-962D, “Defense Standards Format and Content...